<!--
SPDX-FileCopyrightText: syuilo and misskey-project
SPDX-License-Identifier: AGPL-3.0-only
-->

<template>
<PageWithHeader :actions="headerActions" :tabs="headerTabs">
	<div class="_spacer" style="--MI_SPACER-w: 700px;">
		<div v-if="list" class="_gaps">
			<MkFolder>
				<template #label>{{ i18n.ts.settings }}</template>

				<div class="_gaps">
					<MkInput v-model="name">
						<template #label>{{ i18n.ts.name }}</template>
					</MkInput>
					<MkSwitch v-model="isPublic">{{ i18n.ts.public }}</MkSwitch>
					<div class="_buttons">
						<MkButton rounded primary @click="updateSettings">{{ i18n.ts.save }}</MkButton>
						<MkButton rounded danger @click="deleteList()">{{ i18n.ts.delete }}</MkButton>
					</div>
				</div>
			</MkFolder>

			<MkFolder defaultOpen>
				<template #label>{{ i18n.ts.members }}</template>
				<template #caption>{{ i18n.tsx.nUsers({ n: `${list.userIds!.length}/${$i.policies['userEachUserListsLimit']}` }) }}</template>

				<div class="_gaps">
					<MkButton rounded primary style="margin: 0 auto;" @click="addUser()"><i class="ti ti-plus"></i> {{ i18n.ts.addUser }}</MkButton>

					<MkPagination :paginator="membershipsPaginator">
						<template #default="{ items }">
							<div class="_gaps_s">
								<div v-for="item in items" :key="item.id">
									<div :class="$style.userItem">
										<MkA :class="$style.userItemBody" :to="`${userPage(item.user)}`">
											<MkUserCardMini :user="item.user"/>
										</MkA>
										<button class="_button" :class="$style.menu" @click="showMembershipMenu(item, $event)"><i class="ti ti-dots"></i></button>
										<button class="_button" :class="$style.remove" @click="removeUser(item, $event)"><i class="ti ti-x"></i></button>
									</div>
								</div>
							</div>
						</template>
					</MkPagination>
				</div>
			</MkFolder>
		</div>
	</div>
</PageWithHeader>
</template>

<script lang="ts" setup>
import { computed, markRaw, ref, watch } from 'vue';
import * as Misskey from 'misskey-js';
import MkButton from '@/components/MkButton.vue';
import * as os from '@/os.js';
import { misskeyApi } from '@/utility/misskey-api.js';
import { definePage } from '@/page.js';
import { i18n } from '@/i18n.js';
import { userPage } from '@/filters/user.js';
import MkUserCardMini from '@/components/MkUserCardMini.vue';
import MkSwitch from '@/components/MkSwitch.vue';
import MkFolder from '@/components/MkFolder.vue';
import MkInput from '@/components/MkInput.vue';
import { userListsCache } from '@/cache.js';
import { ensureSignin } from '@/i.js';
import MkPagination from '@/components/MkPagination.vue';
import { useRouter } from '@/router.js';
import { Paginator } from '@/utility/paginator.js';

const $i = ensureSignin();

const router = useRouter();

const props = defineProps<{
	listId: string;
}>();

const list = ref<Misskey.entities.UserList | null>(null);
const isPublic = ref(false);
const name = ref('');
const membershipsPaginator = markRaw(new Paginator('users/lists/get-memberships', {
	limit: 30,
	computedParams: computed(() => ({
		listId: props.listId,
	})),
}));

function fetchList() {
	misskeyApi('users/lists/show', {
		listId: props.listId,
	}).then(_list => {
		list.value = _list;
		name.value = list.value.name;
		isPublic.value = list.value.isPublic;
	});
}

function addUser() {
	os.selectUser().then(user => {
		if (!list.value) return;
		os.apiWithDialog('users/lists/push', {
			listId: list.value.id,
			userId: user.id,
		}).then(() => {
			membershipsPaginator.reload();
		});
	});
}

async function removeUser(item, ev) {
	os.popupMenu([{
		text: i18n.ts.remove,
		icon: 'ti ti-x',
		danger: true,
		action: async () => {
			if (!list.value) return;
			misskeyApi('users/lists/pull', {
				listId: list.value.id,
				userId: item.userId,
			}).then(() => {
				membershipsPaginator.removeItem(item.id);
			});
		},
	}], ev.currentTarget ?? ev.target);
}

async function showMembershipMenu(item, ev) {
	const withRepliesRef = ref(item.withReplies);

	os.popupMenu([{
		type: 'switch',
		text: i18n.ts.showRepliesToOthersInTimeline,
		icon: 'ti ti-messages',
		ref: withRepliesRef,
	}], ev.currentTarget ?? ev.target);

	watch(withRepliesRef, withReplies => {
		misskeyApi('users/lists/update-membership', {
			listId: list.value!.id,
			userId: item.userId,
			withReplies,
		}).then(() => {
			membershipsPaginator.updateItem(item.id, (old) => ({
				...old,
				withReplies,
			}));
		});
	});
}

async function deleteList() {
	if (!list.value) return;
	const { canceled } = await os.confirm({
		type: 'warning',
		text: i18n.tsx.removeAreYouSure({ x: list.value.name }),
	});
	if (canceled) return;

	await os.apiWithDialog('users/lists/delete', {
		listId: list.value.id,
	});
	userListsCache.delete();
	router.push('/my/lists');
}

async function updateSettings() {
	if (!list.value) return;
	await os.apiWithDialog('users/lists/update', {
		listId: list.value.id,
		name: name.value,
		isPublic: isPublic.value,
	});

	userListsCache.delete();

	list.value.name = name.value;
	list.value.isPublic = isPublic.value;
}

watch(() => props.listId, fetchList, { immediate: true });

const headerActions = computed(() => list.value ? [{
	icon: 'ti ti-timeline',
	text: i18n.ts.timeline,
	handler: () => {
		router.push('/timeline/list/:listId', {
			params: {
				listId: list.value!.id,
			},
		});
	},
}] : []);

const headerTabs = computed(() => []);

definePage(() => ({
	title: list.value ? list.value.name : i18n.ts.lists,
	icon: 'ti ti-list',
}));
</script>

<style lang="scss" module>
.userItem {
	display: flex;
}

.userItemBody {
	flex: 1;
	min-width: 0;
	margin-right: 8px;

	&:hover {
		text-decoration: none;
	}
}

.remove {
	width: 32px;
	height: 32px;
	align-self: center;
}

.menu {
	width: 32px;
	height: 32px;
	align-self: center;
}

.more {
	margin-left: auto;
	margin-right: auto;
}

.footer {
	-webkit-backdrop-filter: var(--MI-blur, blur(15px));
	backdrop-filter: var(--MI-blur, blur(15px));
	border-top: solid 0.5px var(--MI_THEME-divider);
}
</style>
